Isye exam Study guides, Class notes & Summaries

ISYE 6644 Summer 2024 Final Exam Graded A

ISYE 6501 Midterm 1 EXAM QUESTIONS WITH 100% SOLUTIONS LATEST UPDATE 2023/2024 True or false: In a regression tree, every leaf of the tree has a different regression model that might use different attributes, have different coefficients, etc. - ANSWER True - Each leaf's individual model is tailored to the subset of data points that follow all of the branches leading to the leaf. True or false: Tree-based approaches can be used for other models besides regression. - ANSWER True ...

ISYE 6501 Final Exam Actual Questions and Answers with complete solution

ISYE 6414 REGRESSION MIDTERM 2 REAL EXAM QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE 2023/2024 In logistic regression, the relationship between the probability of success and the predicting variables is nonlinear. --CORRECT ANSWER--> TRUE: The equation that links the predictors to the probability is:

ISYE 6501 - Midterm 1 Exam – Questions And Answers

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ISYE 6414 REGRESSION MIDTERM 1 REAL EXAM 2023/2024 What are the variables in regression? -CORRECT ANSWER1. Response (dependent) variable - one particular variable that we are interested in understanding or modelling, such as sales of a particular product. 2. Predicting or Explanatory (independent) variable - set of other variables that we think might be useful in predicting or modelling the response variable (like the price of a product) Which regression variable is a Random variabl...

ISYE 6414 FINAL EXAM (REAL EXAM) QUESTIONS AND ANSWERS 2022-2024/ GRADED A | EXAM 1

Factor Based Models - CORRECT ANSWER-classification, clustering, regression. Implicitly assumed that we have a lot of factors in the final model Why limit number of factors in a model? 2 reasons - CORRECT ANSWER-overfitting: when # of factors is close to or larger than # of data points. Model may fit too closely to random effects simplicity: simple models are usually better Classical variable selection approaches - CORRECT ANSWER-1. Forward selection 2. Backwards elimination 3. Stepwi...